Base | Representation |
---|---|
bin | 11101100110010… |
… | …01111001101101 |
3 | 122022012111010012 |
4 | 32303021321231 |
5 | 1002030302200 |
6 | 40345423005 |
7 | 6103303151 |
oct | 1663117155 |
9 | 568174105 |
10 | 248290925 |
11 | 118176713 |
12 | 6b19aa65 |
13 | 3c59480c |
14 | 24d93061 |
15 | 16be7a35 |
hex | ecc9e6d |
248290925 has 12 divisors (see below), whose sum is σ = 308281236. Its totient is φ = 198374400.
The previous prime is 248290921. The next prime is 248290949. The reversal of 248290925 is 529092842.
It can be written as a sum of positive squares in 6 ways, for example, as 72012196 + 176278729 = 8486^2 + 13277^2 .
It is not a de Polignac number, because 248290925 - 22 = 248290921 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248290921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14477 + ... + 26573.
It is an arithmetic number, because the mean of its divisors is an integer number (25690103).
Almost surely, 2248290925 is an apocalyptic number.
248290925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
248290925 is a deficient number, since it is larger than the sum of its proper divisors (59990311).
248290925 is a wasteful number, since it uses less digits than its factorization.
248290925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12928 (or 12923 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 248290925 is about 15757.2499186882. The cubic root of 248290925 is about 628.5217081761.
The spelling of 248290925 in words is "two hundred forty-eight million, two hundred ninety thousand, nine hundred twenty-five".
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